307 lines
7.7 KiB
C++
307 lines
7.7 KiB
C++
#pragma once
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// QT include
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#include <QString>
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#include <QStringList>
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#include <QJsonObject>
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#include <QJsonValue>
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#include <QJsonArray>
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class QJsonUtils
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{
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public:
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static void modify(QJsonObject& value, QStringList path, const QJsonValue& newValue = QJsonValue::Null, QString propertyName = "")
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{
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QJsonObject result;
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if (!path.isEmpty())
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{
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if (path.first() == "[root]")
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path.removeFirst();
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for (QStringList::iterator it = path.begin(); it != path.end(); ++it)
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{
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QString current = *it;
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if (current.left(1) == ".")
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*it = current.mid(1, current.size()-1);
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}
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if (!value.isEmpty())
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modifyValue(value, result, path, newValue, propertyName);
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else if (newValue != QJsonValue::Null && !propertyName.isEmpty())
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result[propertyName] = newValue;
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}
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value = result;
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}
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static QJsonValue create(QJsonValue schema, bool ignoreRequired = false)
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{
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return createValue(schema, ignoreRequired);
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}
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static QString getDefaultValue(const QJsonValue & value)
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{
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QString ret;
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switch (value.type())
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{
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case QJsonValue::Array:
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{
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for (const QJsonValueRef v : value.toArray())
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{
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ret = getDefaultValue(v);
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if (!ret.isEmpty())
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break;
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}
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break;
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}
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case QJsonValue::Object:
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{
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ret = getDefaultValue(value.toObject().value("default"));
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}
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break;
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case QJsonValue::Bool:
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return value.toBool() ? "True" : "False";
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case QJsonValue::Double:
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return QString::number(value.toDouble());
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case QJsonValue::String:
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return value.toString();
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case QJsonValue::Null:
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case QJsonValue::Undefined:
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break;
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}
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return ret;
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}
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private:
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static QJsonValue createValue(QJsonValue schema, bool ignoreRequired)
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{
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QJsonObject result;
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QJsonObject obj = schema.toObject();
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if (obj.find("type") != obj.end() && obj.find("type").value().isString())
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{
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QJsonValue ret = QJsonValue::Null;
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if (obj.find("type").value().toString() == "object" && ( obj.find("required").value().toBool() || ignoreRequired ) )
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ret = createValue(obj["properties"], ignoreRequired);
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else if (obj.find("type").value().toString() == "array" && ( obj.find("required").value().toBool() || ignoreRequired ) )
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{
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QJsonArray array;
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if (obj.find("default") != obj.end())
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ret = obj.find("default").value();
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else
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{
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ret = createValue(obj["items"], ignoreRequired);
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if (!ret.toObject().isEmpty())
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array.append(ret);
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ret = array;
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}
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}
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else if ( obj.find("required").value().toBool() || ignoreRequired )
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if (obj.find("default") != obj.end())
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ret = obj.find("default").value();
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return ret;
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}
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else
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{
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for (QJsonObject::const_iterator i = obj.begin(); i != obj.end(); ++i)
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{
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QString attribute = i.key();
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const QJsonValue & attributeValue = *i;
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QJsonValue subValue = obj[attribute];
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if (attributeValue.toObject().find("type") != attributeValue.toObject().end())
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{
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if (attributeValue.toObject().find("type").value().toString() == "object" && ( attributeValue.toObject().find("required").value().toBool() || ignoreRequired ) )
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{
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if (obj.contains("properties"))
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result[attribute] = createValue(obj["properties"], ignoreRequired);
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else
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result[attribute] = createValue(subValue, ignoreRequired);
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}
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else if (attributeValue.toObject().find("type").value().toString() == "array" && ( attributeValue.toObject().find("required").value().toBool() || ignoreRequired ) )
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{
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QJsonArray array;
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if (attributeValue.toObject().find("default") != attributeValue.toObject().end())
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result[attribute] = attributeValue.toObject().find("default").value();
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else
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{
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QJsonValue retEmpty;
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retEmpty = createValue(attributeValue.toObject()["items"], ignoreRequired);
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if (!retEmpty.toObject().isEmpty())
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array.append(retEmpty);
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result[attribute] = array;
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}
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}
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else if ( attributeValue.toObject().find("required").value().toBool() || ignoreRequired )
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{
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if (attributeValue.toObject().find("default") != attributeValue.toObject().end())
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result[attribute] = attributeValue.toObject().find("default").value();
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else
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result[attribute] = QJsonValue::Null;
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}
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}
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}
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}
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return result;
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}
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static void modifyValue(QJsonValue source, QJsonObject& target, QStringList path, const QJsonValue& newValue, QString& property)
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{
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QJsonObject obj = source.toObject();
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if (!obj.isEmpty())
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{
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for (QJsonObject::iterator i = obj.begin(); i != obj.end(); ++i)
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{
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QString propertyName = i.key();
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QJsonValue subValue = obj[propertyName];
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if (subValue.isObject())
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{
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if (!path.isEmpty())
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{
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if (propertyName == path.first())
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{
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path.removeFirst();
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if (!path.isEmpty())
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{
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QJsonObject tempObj;
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modifyValue(subValue, tempObj, path, newValue, property);
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subValue = tempObj;
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}
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else if (newValue != QJsonValue::Null)
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subValue = newValue;
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else
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continue;
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if (!subValue.toObject().isEmpty())
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target[propertyName] = subValue;
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}
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else
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{
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if (path.first() == property && newValue != QJsonValue::Null)
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{
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target[property] = newValue;
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property = QString();
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}
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target[propertyName] = subValue;
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}
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}
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else
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if (!subValue.toObject().isEmpty())
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target[propertyName] = subValue;
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}
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else if (subValue.isArray())
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{
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if (!path.isEmpty())
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{
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if (propertyName == path.first())
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{
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path.removeFirst();
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int arrayLevel = -1;
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if (!path.isEmpty())
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{
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if ((path.first().left(1) == "[") && (path.first().right(1) == "]"))
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{
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arrayLevel = path.first().mid(1, path.first().size()-2).toInt();
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path.removeFirst();
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}
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}
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QJsonArray array = subValue.toArray();
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QJsonArray json_array;
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for (QJsonArray::iterator i = array.begin(); i != array.end(); ++i)
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{
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if (!path.isEmpty())
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{
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QJsonObject arr;
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modifyValue(*i, arr, path, newValue, property);
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subValue = arr;
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}
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else if (newValue != QJsonValue::Null)
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subValue = newValue;
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else
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continue;
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if (!subValue.toObject().isEmpty())
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json_array.append(subValue);
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else if (newValue != QJsonValue::Null && arrayLevel != -1)
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json_array.append( (i - array.begin() == arrayLevel) ? subValue : *i );
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}
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if (!json_array.isEmpty())
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target[propertyName] = json_array;
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else if (newValue != QJsonValue::Null && arrayLevel == -1)
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target[propertyName] = newValue;
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}
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else
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{
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if (path.first() == property && newValue != QJsonValue::Null)
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{
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target[property] = newValue;
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property = QString();
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}
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target[propertyName] = subValue;
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}
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}
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else
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if (!subValue.toArray().isEmpty())
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target[propertyName] = subValue;
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}
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else
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{
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if (!path.isEmpty())
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{
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if (propertyName == path.first())
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{
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path.removeFirst();
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if (path.isEmpty())
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{
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if (newValue != QJsonValue::Null && property.isEmpty())
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subValue = newValue;
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else
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continue;
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}
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target[propertyName] = subValue;
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}
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else
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{
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if (path.first() == property && newValue != QJsonValue::Null)
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{
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target[property] = newValue;
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property = QString();
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}
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target[propertyName] = subValue;
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}
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}
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else
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target[propertyName] = subValue;
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}
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}
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}
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else if (newValue != QJsonValue::Null && !property.isEmpty())
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{
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target[property] = newValue;
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property = QString();
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}
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}
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};
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